GORMAN-RUPP S8A1-E95 460/3 Installation, Operation, And Maintenance Manual With Parts List Download Page 1

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OM-06258-02

February 18, 2020

GORMAN‐RUPP PUMPS

www.grpumps.com

2020 Gorman‐Rupp Pumps

Printed in U.S.A.

INSTALLATION, OPERATION,

AND MAINTENANCE MANUAL

WITH PARTS LIST

SUBMERSIBLE PUMPS

MODELS

S8A1-E95 460/3

and

S8A1-E95 575/3

Summary of Contents for S8A1-E95 460/3

Page 1: ...February 18 2020 GORMAN RUPP PUMPS www grpumps com 2020 Gorman Rupp Pumps Printed in U S A INSTALLATION OPERATION AND MAINTENANCE MANUAL WITH PARTS LIST SUBMERSIBLE PUMPS MODELS S8A1 E95 460 3 and S8A...

Page 2: ...rial number and e mail address required RECORD YOUR PUMP MODEL AND SERIAL NUMBER Please record your pump model and serial number in the spaces provided below Your Gorman Rupp distributor needs this in...

Page 3: ...ices PAGE B 7 WIRING DIAGRAMS PAGE B 8 OPERATION SECTION C PAGE C 1 GENERAL INFORMATION PAGE C 1 Pump Performance PAGE C 1 Control Box PAGE C 1 PUMP OPERATION PAGE C 1 Liquid Temperature And Overheati...

Page 4: ...E 13 Strainer Screen and Base Plate Installation PAGE E 13 MOTOR DISASSEMBLY PAGE E 14 Terminal Housing and Power Cable Removal and Disassembly PAGE E 14 Intermediate and Motor Housing Disassembly PA...

Page 5: ...y P O Box 1217 Mansfield Ohio 44901 1217 Phone 419 755 1011 or Gorman Rupp of Canada Limited 70 Burwell Road St Thomas Ontario N5P 3R7 Phone 519 631 2870 For information or technical assistance on the...

Page 6: ...pump or endan ger personnel as a result of pump fail ure Consult the factory for specific ap plication data Before connecting any cable to the con trol box be sure to ground the control box Refer to...

Page 7: ...en installed make certain that the pump and all piping or hose connections are secure before op eration Obtain the services of a qualified elec trician to troubleshoot test and or ser vice the electri...

Page 8: ...from the pump before lifting Lift the pump or component only as high as necessary and keep personnel away from suspended objects Pumps and related equipment must be installed and operated according t...

Page 9: ...d hertz indicated on the name plate match the ratings on the control box and incoming pow er e Carefully read all tags decals and markings on the pump and perform all duties indicated f Check for oil...

Page 10: ...proximate Weight Lbs kg Oil Capacity Ounces Liters Seal Cavity Filling Position H orizontal V ertical Pump 50 Ft Cable Seal Cavity Motor Cavity 870 395 105 48 176 5 2 576 17 V 150 68 Pump Dimensions F...

Page 11: ...if positioned on its side but this is not recommended because the motor torque could cause the pump to roll during opera tion The pump should be independently secured and supported by the lifting dev...

Page 12: ...control box furnished with the pump The control box provides overload protection and power control Do not connect the pump motor directly to the incoming power lines The control box is a rainproof en...

Page 13: ...0 500 PHASE MINIMUM VOLTAGE MAXIMUM VOLTAGE 575 3 520 630 Make certain all connections are tight and that cable entry points are rainproof Support the cable weight if required to prevent excessive str...

Page 14: ...coming power to the control box is in the OFF position and locked out or that the power supply to the control box has been otherwise cut off and locked out before connecting power or accessory cables...

Page 15: ...tion through an approved control box Ground and wire the control box in accordance with the instructions accompanying it NOTE For reference internal motor wiring connections are shown in Maintenance a...

Page 16: ...BOX LIQUID LEVEL RANGE OFF DEWATERING ON FILLING DIAPHRAGM TYPE Figure B 4 Liquid Level Devices The internal wiring of the sensing devices are different for filling and dewatering func tions Be sure...

Page 17: ...automatic liquid level sensing device in which case those circuits are also contained within the control box The pump motor and control box are not designed to be explosion proof Do not operate in an...

Page 18: ...pump immediately 2 Ventilate the area 3 Allow the pump to completely cool 4 Check the temperature before ser vicing 5 Vent the pump slowly and cau tiously 6 Refer to instructions in this manual befor...

Page 19: ...the integral thermal over load device will shut off the motor if the temperature rises above design limits When the pump cools and the tempera ture falls below these limits the motor will restart auto...

Page 20: ...the oil level s as indicated in the following LUBRICATION section COLD WEATHER PRESERVATION Do not attempt to thaw the pump by us ing a torch or other source of flame This could damage gaskets O ring...

Page 21: ...pump Use premium quality submers ible pump oil as specified in the following table Oil must be stored in a clean tightly closed container in a reasonably dry environment When lubricating the seal cav...

Page 22: ...sing device s Float type sensing device s tangled or obstructed Check installation for free movement of float Defective liquid level sensing de vice s or control panel Repair or replace defective unit...

Page 23: ...or tank Stop pump until liquid level rises Worn impeller vanes excessive im peller clearance Check impeller and clearance see PUMP END REASSEMBLY in Maintenance and Repair Section E Pump running back...

Page 24: ...under each condition must be the same b If voltage is balanced when the pump is off but is imbalanced when the pump is running thoroughly check the power source all inter connecting cables and the pum...

Page 25: ...le and motor windings If resistance reads infinity 1 insulation is good If resistance reads between infinity 1 and 1 megohm insulation is acceptable but should be rechecked regularly If resistance rea...

Page 26: ...t sea level with minimum suction lift Since pump installations are seldom identical your performance may be dif ferent due to such factors as viscosity specific gravity elevation temperature and impel...

Page 27: ...S SERIES PUMPS OM 06258 MAINTENANCE AND REPAIR PAGE E 2 SECTION DRAWING PARTSPAGE Figure E 1 S8A1 E95 460 3 575 3 Pump Assembly...

Page 28: ...33 HEX NUT D12 15991 8 34 TERM HSG CABLE ASSY 460V 47367 061 1 575V 47367 028 1 35 STUD C0607 15991 6 36 DEFORM LOCKNUT DD06 15991 6 37 NAME PLATE 2613CY 17020 1 38 DRIVE SCREW BM 04 03 17000 6 39 LOW...

Page 29: ...S SERIES PUMPS OM 06258 MAINTENANCE AND REPAIR PAGE E 4 SECTION DRAWING Figure E 2 Terminal Housing And Cable Assembly...

Page 30: ...V 31133 110 15991 1 8 GLAND BUSHING 460V 10758E 19100 1 575V 31144 001 19100 1 9 INFORMATION PLATE 38816 047 17990 1 10 DRIVE SCREW BM 04 03 17000 4 11 CABLE GRIP 460V 11227F 1 575V 11227H 1 12 TERMIN...

Page 31: ...y cre ate a hazard and damage the pump or di minish optimal pump performance Any such hazard damage or diminished per formance is not covered by the warranty NOTE When appropriate recycling facilities...

Page 32: ...2 is clogged the debris can usually be removed without further disassembly Draining Oil From Seal Cavity Figure E 1 If any further disassembly is to be performed on the pump the seal oil cavity must b...

Page 33: ...curs the motor must be disassembled and the low er bearing must be pressed back into place to achieve proper impeller clear ances see Motor Disassembly and Mo tor Reassembly After the impeller is free...

Page 34: ...a clean tissue into the stationary seal seat bore of the intermediate 17 or wrap a small rag around the shaft to prevent for eign material from entering the motor cavity Carefully inspect any O rings...

Page 35: ...seat bore or unwrap the shaft Be sure no debris stopped by the material falls into the motor cavity Clean the rotor shaft 23 and seal cavity area of the intermediate 17 Be sure the area is dry and fr...

Page 36: ...ce dry Position the subassembly in the diffuser bore and cover it with a clean tissue Use your thumbs to press the seat into the bore Apply equal pressure on opposite sides of the seat until it is ful...

Page 37: ...uction head into the diffuser until fully seated Be careful not to damage the O ring 5 Secure the suction head with nylon locknuts 60 For maximum pump efficiency there should be a clearance of 010 to...

Page 38: ...sing and power cable assembly 34 may be serviced without disassembling the motor housing or pump end or without draining the oil from the motor cavity However the oil must be drained before attempting...

Page 39: ...assemb ly if no further disassembly is required Intermediate And Motor Housing Disassembly Figure E 1 See PUMP END DISASSEMBLY and remove all pump end and seal components With the pump end disassemble...

Page 40: ...ly and squarely on the I D At tach a lifting device to the lifting eye of the tool and raise the assembly approximately 1 inch 25 mm off the work surface The motor housing 20 must be heated with a tor...

Page 41: ...rts as required Thoroughly clean the inside of the motor housing with fresh solvent The interior must be dry and free of dirt or lint Most cleaning solvents are toxic and flammable Use them only in a...

Page 42: ...nt damage during removal from the shaft it is recommended that bearings be cleaned and inspected in place It is strongly recommended that the bearings be replaced any time the shaft and rotor assembly...

Page 43: ...ntermediate Reassembly Figure E 1 Use fresh solvent to clean all gasket and O ring surfaces of the motor housing 20 and intermedi ate 17 completely removing any old gasket and cement material Inspect...

Page 44: ...6 m kg Refer to PUMP END REASSEMBLY and reas semble the pump end components Terminal Housing And Power Cable Reassembly And Installation Figure E 2 The electrical power used to operate this pump is h...

Page 45: ...e all the old adhesive material or potting com pound from the leads terminal collars and termi nal plate Inspect all parts for damage and replace as required If the rubber bonding material on the term...

Page 46: ...ing Terminal Plate Connections With Potting Compound Figure E 2 Potting compound and silicone adhesive have the same electrical properties when correctly applied Silicone adhesive is used at the facto...

Page 47: ...them to the terminal housing with the hardware 4 and 5 Be sure the leads make good contact with the housing Pull gently on the cable to remove any excess length from within the terminal housing The t...

Page 48: ...in the pipe plug holes in both the motor and seal cavities Test the motor cavity for its full duration first then use the shutoff valve to maintain the motor cavity vacuum while testing the seal cavit...

Page 49: ...ry environment Table E 2 Oil Quantity Pump Model Seal Cavity Motor Cavity S8A 576 ounces 17 liters 176 ounces 5 2 liters Table E 3 Pump Oil Specifications Specifications Type Premium high viscosity in...

Page 50: ...For Warranty Information Please Visit www grpumps com warranty or call U S 419 755 1280 Canada 519 631 2870 International 1 419 755 1352 GORMAN RUPP PUMPS...

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GORMAN-RUPP S8A1-E95 460/3, Installation, Operation, And Maintenance Manual With Parts List

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